public class Test {
    import java.util.Scanner;

    public class Main {
        public static void main(String[] args) {
            Scanner scanner = new Scanner(System.in);
            int a = scanner.nextInt();
            int b = scanner.nextInt();

            int tmp = 0;
            tmp = a;
            a= b;
            b=tmp;

            System.out.println(a+" "+b);
        }
    }
}
